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MetabolomicsAtlas of one-carbon metabolism in conventional and germ-free mice reveals folate as a key determinant of biochemical pathways

Folates participate in the one-carbon metabolism (OCM) cycle, supporting many biochemical pathways. Existing methods to profile folate are limited in the diversity of vitamers they measure and the samples they profile. We present a metabolomics workflow for stable extraction, separation, and meas...

2026-02-10 | MTBLS13484 | MetaboLights
MetabolomicsThe GNMT N-terminus Couples Folate Feedback to Methyl-donor Homeostasis
Maintenance of S-adenosylmethionine (SAM) homeostasis is essential for methylation of biomolecules, nucleotide and polyamine synthesis, and redox balance. While all methyltransferases consume SAM, only a subset of highly tissue specific methyltransferases regulates methylation potential. Among them,...
2026-08-18 | MTBLS15161 | MetaboLights
MetabolomicsTranscobalamin 2 orchestrates monocyte proliferation and TLR4-driven inflammation in systemic lupus erythematosus via folate one-carbon metabolism

BACKGROUND: SLE is a complex autoimmune disease with deleterious effects on various organs. Accumulating evidence has shown abnormal vitamin B12 and one-carbon flux contribute to immune dysfunction. Transcobalamin II (TCN2) belongs to the vitamin B12-binding protein family respon...

2024-05-28 | MTBLS9136 | MetaboLights
TranscriptomicsDietary folate depletion and repletion
This SuperSeries is composed of the following subset Series: GSE9242: Dietary folate depletion and repletion in A/J and C57BL/6J mice GSE9243: Dietary folate depletion and repletion in C57BL/6J mice, ApoE knockout mice, and choline supplemented C57BL/6J mice Keywords: SuperSeries Refer to individual...
ORGANISM(S): Mus musculus 
2010-06-20 | E-GEOD-9245 | biostudies-arrayexpress
MetabolomicsIntergenerational Association of Gut Microbiota and Metabolism with Perinatal Folate Metabolism and Neural Tube Defects (Feces metabolomics)

Maternal folic acid intake is crucial for the development of the offspring's nervous system, and folic acid metabolism disorders during pregnancy lead to neural tube defects (NTDs) in the fetus. Folic acid and vitamins biosynthesis is a major biochemical feature of gut microbiota. The complex and...

2022-12-05 | MTBLS4893 | MetaboLights
TranscriptomicsDietary folate depletion and repletion in C57BL/6J mice, ApoE knockout mice, and choline supplemented C57BL/6J mice
Defects in homocysteine and folate metabolism are associated with increased risks for neural tube and congenital heart defects, cardiovascular disease and stroke, cancers, and neurodegeneration. In many but not all cases, dietary supplementation with folate significantly reduces the severity and in...
ORGANISM(S): Mus musculus 
2008-08-27 | E-GEOD-9243 | biostudies-arrayexpress
MetabolomicsIntergenerational Association of Gut Microbiota and Metabolism with Perinatal Folate Metabolism and Neural Tube Defects (Brain tissue metabolomics)

Neonatal hypoxic-ischemic encephalopathy (HIE) refers to nervous system damage caused by perinatal hypoxia, which is the major cause of long-term neuro-developmental disorders in surviving infants. However, the mechanisms still require further investigation. In this study, we found that the butan...

2022-12-05 | MTBLS4894 | MetaboLights
TranscriptomicsDietary folate depletion and repletion in A/J and C57BL/6J mice
Defects in homocysteine and folate metabolism are associated with increased risks for neural tube and congenital heart defects, cardiovascular disease and stroke, cancers, and neurodegeneration. In many but not all cases, dietary supplementation with folate significantly reduces the severity and in...
ORGANISM(S): Mus musculus 
2008-08-27 | E-GEOD-9242 | biostudies-arrayexpress
TranscriptomicsPemetrexed alters inflammatory profile in EA.hy 926 cells grown under low-folate conditions.
Pemetrexed is an antifolate drug used in the treatment of lung cancer. EA.hy 926 cells grown under low (Lo) and normal (Hi) folate conditions were treated with PMX. Microarray analysis was used to examine changes in gene expression due to PMX treatment. Hi and Lo cells were grown to confluence and m...
ORGANISM(S): Homo sapiens 
2012-10-03 | E-GEOD-31986 | biostudies-arrayexpress
TranscriptomicsTranscription profiling of mouse skin from K6/ODC animals response to folate deficient diets reveals folate deficiency enhances arsenic effects
We demonstrate that expression of key markers of keratinocyte differentiation is suppressed by exposure to sodium arsenite. Folate deficiency exacerbates this effect. In addition, cancer-related cell movement genes, and growth and proliferation genes are altered. Several redox-sensitive transcrip...
ORGANISM(S): Mus musculus 
2008-06-16 | E-GEOD-8733 | biostudies-arrayexpress
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